Hauntings, Possessions, And Exorcisms by Adam C Blai

In this Catholic book, you'll discover the differences between the various manifestations of the demonic fallen angels. As well as important information about whom should be dealing a particular person and their case. Sometimes a person needs the Sacraments, sometimes prayer, sometimes a full exorcism, and yet sometimes they need medical attention to correct a mental disorder or illness. The author not only has a Masters in psychology, but actually trains exorcists for various dioceses.